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path: root/drivers/usb/misc/phidgetkit.c
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Diffstat (limited to 'drivers/usb/misc/phidgetkit.c')
-rw-r--r--drivers/usb/misc/phidgetkit.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/usb/misc/phidgetkit.c b/drivers/usb/misc/phidgetkit.c
index 605a3c87e05c..997db5d8e35b 100644
--- a/drivers/usb/misc/phidgetkit.c
+++ b/drivers/usb/misc/phidgetkit.c
@@ -88,7 +88,7 @@ static int change_outputs(struct phidget_interfacekit *kit, int output_num, int
int retval;
int n;
- buffer = kmalloc(4, GFP_KERNEL);
+ buffer = kzalloc(4, GFP_KERNEL);
if (!buffer) {
dev_err(&kit->udev->dev, "%s - out of memory\n",
__FUNCTION__);
@@ -96,7 +96,6 @@ static int change_outputs(struct phidget_interfacekit *kit, int output_num, int
}
kit->outputs[output_num] = enable;
- memset(buffer, 0, 4);
for (n=0; n<8; n++) {
if (kit->outputs[n]) {
buffer[0] |= 1 << n;
@@ -192,7 +191,7 @@ static ssize_t set_backlight(struct device *dev, struct device_attribute *attr,
unsigned char *buffer;
int retval = -ENOMEM;
- buffer = kmalloc(8, GFP_KERNEL);
+ buffer = kzalloc(8, GFP_KERNEL);
if (!buffer) {
dev_err(&kit->udev->dev, "%s - out of memory\n", __FUNCTION__);
goto exit;
@@ -202,7 +201,6 @@ static ssize_t set_backlight(struct device *dev, struct device_attribute *attr,
retval = -EINVAL;
goto exit;
}
- memset(buffer, 0x00, 8);
if (enabled)
buffer[0] = 0x01;
buffer[7] = 0x11;
@@ -406,12 +404,11 @@ static int interfacekit_probe(struct usb_interface *intf, const struct usb_devic
pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
- kit = kmalloc(sizeof(*kit), GFP_KERNEL);
+ kit = kzalloc(sizeof(*kit), GFP_KERNEL);
if (kit == NULL) {
dev_err(&intf->dev, "%s - out of memory\n", __FUNCTION__);
return -ENOMEM;
}
- memset(kit, 0, sizeof(*kit));
kit->ifkit = ifkit;
kit->data = usb_buffer_alloc(dev, 8, SLAB_ATOMIC, &kit->data_dma);